Select all the correct answers.
In which two ways does the sixth paragraph contribute to the development of claims in the passag
It supports the title by giving an example of a great invention.
It illustrates how submarines can be used for recreation.
It describes a nonmilitary use for submarines.
It explains the effects of submarines on science.
It lists the different ways air is stored in submarines.
adapted from Submarines
from The Story of Great Inventions
by Elmer Ellsworth Burns
Successful navigation beneath the surface of the water,
though not carried to the extent imagined by Jules Verne,
was a reality at the beginning of the twentieth century.
Instead of twenty thousand leagues under the sea, less than
a hundred leagues had been accomplished, but no one can
foretell what the future may have in store.
The submarine is primarily utilized in wars. The weapon
used by the submarine is the torpedo. The torpedo is itself a
small submarine able to propel itself, and if started in the
water toward a certain object, to go under water straight to
the mark. It carries a heavy charge, either of guncotton or
dynamite, which explodes when the torpedo strikes a solid
object, such as a battle-ship.
It would be very difficult for one submarine to fight
another submarine, for the submarine when completely
submerged is blind. It could not see in the water to find its
enemy. The torpedo-boat-destroyer is able to destroy
submarine by torpedoes, shells full of high explosives, or
quick-firing guns. Advantage must be taken of the moment
when the submarine comes to the surface to get a view of
One of the great enemies of the submarine will probably
be the air-ship, for while the submarine when under water
cannot be seen from a ship on the surface. it can under
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her enemy